https://www.acmicpc.net/problem/5341
5341번: Pyramids
The input will be a sequence of integers, one per line. The end of input will be signaled by the integer 0, and does not represent the base of a pyramid. All integers, other than the last (zero), are positive.
www.acmicpc.net
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def sol(n):
return int(n*(n+1)/2)
if __name__ == '__main__':
while 1:
n = int(input())
if n == 0:
break
print(sol(n))
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cs |
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